<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="">
      <table border="1" cellpadding="30">
        <Tbody>  <!--tr为行  -->
            <tr>   
              
                 <td rowspan="4"> 总体信息</td><!--总体信息占了4行，rowspan=4  -->
                 <td colspan="2"><center>用户注册 </center></td>  <!--用户注册占了2列，cowspan=2 -->
            </tr>
            <tr>   
                <td> 用户名：</td>
                <td> <input type="text" placeholder="请输入用户名"></td>
           </tr>
          <tr>   
            <td> 密码：</td>
            <td> <input type="password" placeholder="请输入密码"></td>
            </tr>
            <tr>   
                <td colspan="2"> <center> <input type="submit"> <input type="reset"> 
                </center></td>
        </tr>
        
        </Tbody>
      </table>
      
    </form>

</body>
</html>
